Hi Erik,
unfortunatly most of these balls are also anthropogenic pollution.
Especially industries like coal-burning power plants, foundries and metal
processing produces such spherical particles.
That's why one has either to go in the stratosphere to collect
micrometeorites or to use unpolluted
http://www.rocksfromspace.org/January_26_2010.html
__
Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html
Meteorite-list mailing list
Meteorite-list@meteoritecentral.com
Hi Graham,
If you mean original meteorites that were
sources of casts in general (not Middlesborough
in particular), you were very close to a famous one last Summer:
Ensisheim meteorite, 53.832 kg, original displayed in the Ensi Regency palace.
Only 2 identical (plaster) casts have been
Don Edwards,
Please contact me off list!
Regards,
Michael Johnson
http://www.rocksfromspace.org
Thumbed On My BlackBerry
__
Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html
Meteorite-list mailing list
1. Age of Solar System Needs to Be Recalculated by Lisa
Grossman, Science News, January 4, 2010
http://www.usnews.com/science/articles/2010/01/04/age-of-solar-system-needs-a-fresh-look.html
http://www.wired.com/wiredscience/2010/01/solar-system-age/
“Those differences could mean that current
Hi Robert, Sterling, Erik, Greg, Darren, ALL, Thanks for all the answers...
I wanted to include a photo in my question. We're all familiar with Mike
Hankey's now world famous PA fireball photo which just happened to catch
the fragmentation of a large meteoroid as it was breaking up. This left
Hi Paul and List,
I dated a meteorite once...she didn't call me back.
(*rimshot*)
Seriously though, thanks for the great links Paul. I especially
enjoyed the meteorwrong link yesterday. :)
Best regards,
MikeG
On 1/26/10, Paul H. oxytropidoce...@cox.net wrote:
1. Age of Solar System
Take a look at this Leonid photo. As you can see after the incandescence
there's a small smoke train shooting out from the tip of the meteor. Is
that in fact the smoke train from the particle/meteoroid just before
entering dark flight? Or was this just the last bit of the meteoroid
burning
You're just seeing incandescence from the last bit of meteoroid that hasn't
survived the previous (four?) fragmentation events as well as the continuous
ablation. I don't see any evidence in this photo of a smoke train at all. If
one was produced, it would only be visible after the meteor faded
I think it's the smoke left from the meteoroid as it cooled rapidly
after incandescence, hence the reason for the tapering of the train. My
theory is simple. As the meteoroid cooled (directly after incandescence)
it produced less smoke, and therefore the train seems to taper to
nothingness.
Aloha Eric,
I think it's the smoke left from the meteoroid as it cooled rapidly after
incandescence, hence the reason for the tapering of the train.
No smoke train in this photo - it is too early for any to develop (see Chris'
post)
Also there is a certain squiggly nature to the trail
If this is the continued incandescence why is the trail not straight?
Was the meteoroid still glowing hot thereby producing a visible light
bright enough to be picked up by the camera?
In that area, the meteor probably wasn't bright enuf, for long enuf to be
exposed in your camera. The
Thanks Chris, Gary, George, It appeared to be a smoke train at first
glance...
If the meteoroid was still glowing hot and producing light enough to be
recorded by the camera, that would explain the trail and the squiggly
nature produced by the irregular flight. I do have a question for Gary
Hello List,
Would somone be so kind as to forward me the link to the following entitled
paper that was previously posted?
Life on Mars: New Evidence from Martian Meteorites
Thanking you in advance,
Count Deiro
__
Visit the Archives at
In a message dated 1/26/2010 10:16:20 A.M. Pacific Standard Time,
e...@meteoritesusa.com writes:
After looking at the photo closer I see the same waviness to the entire
path as well.
That waviness is probably the ionized train just starting to distort in
the high winds, after the meteors
At 00:54 26-01-10 Tuesday, you wrote:
Randy, why did you write that there is no scientific evidence that
any particular lunar meteorite originates from the lunar farside?
Dear Walter and list:
We don't know exactly where on the Moon any lunar meteorite comes
from. It has, nevertheless,
Is there any reason to believe that one side might be more prone to
impacts than the other??
Dennis Beatty
On Jan 26, 2010, at 11:14 AM, Randy Korotev wrote:
At 00:54 26-01-10 Tuesday, you wrote:
Randy, why did you write that there is no scientific evidence that
any particular lunar
Hi Dennis,
I'd expect a tiny variance (greater number of impacts on lunar farside)
due
to shadowing by the earth. But the difference is probably unmeasurable.
The fraction of the celestial hemisphere blocked by the earth as seen
from lunar nearside is only 0.0046 %. --Rob
-Original
This message is going out to Steve W. You've sent me 3 emails and I've
tried to respond but your email address keeps bouncing emails back to me.
Please contact me from a different email address or call me at 760-522-2152
Regards,
Eric
__
Visit the
I'd like to share some photography tips with list members that might help with
photographing your meteorites.
The first thing I would like to share is a silver reflector.
here are some pictures:
-
On Mon, 25 Jan 2010 19:26:20 -0800, you wrote:
atmosphere like science tells us they do? And if they don't burn up
completely why does just about every text on meteors say they do? And if
that the case, then how is it possible to weigh something that doesn't
exist, anymore?
I haven't noticed
On Tue, 26 Jan 2010 13:14:56 -0600, you wrote:
http://epsc.wustl.edu/~rlk/papers/korotev_et_al_2009_mps_intermediate_iron.pdf
To me this all means that half the lunar meteorites must come from
the farside, we just don't know which ones.
FWIW, I believe that-- statistically-- meteorites from
Good Stuff Erik! Was going to do something like that but you beat me to
it... ;)
Nice work. Keep it up...
Regards,
Eric
On 1/26/2010 12:51 PM, Erik Fisler wrote:
I'd like to share some photography tips with list members that might help with
photographing your meteorites.
The first thing
this photos its to much darkness, you have use to much the
lens closed with the f22 and depend many from what type of
light you use. This is some photos I have take to my pieces
http://i46.tinypic.com/vg1n5v.jpg
http://i50.tinypic.com/zmkxo1.jpg
http://i48.tinypic.com/2e32yz5.jpg
After seeing the images with “A Riot of Over 300 Regmaglypts!” I am prompted to
share with Listees my thoughts on the term “regmaglypt.”
Buchwald (1) calls regmaglypts “a specific hallmark of an iron meteorite,” a
term introduced by Berwerth in 1909. Also known as “thumb prints,” Buchwald
Nice Photos Matteo...I'm envious.
GeoZay
__
Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html
Meteorite-list mailing list
Meteorite-list@meteoritecentral.com
http://six.pairlist.net/mailman/listinfo/meteorite-list
Jan. 26, 2010
Dwayne Brown
Headquarters, Washington
202-358-1726
dwayne.c.br...@nasa.gov
Guy Webster
Jet Propulsion Laboratory, Pasadena, Calif.
818-354-6278
guy.webs...@jpl.nasa.gov
RELEASE: 10-024
NOW A STATIONARY RESEARCH PLATFORM, NASA'S MARS ROVER SPIRIT STARTS A
NEW CHAPTER IN
Phyllis, All,
Buchwald (1) calls regmaglypts “a specific hallmark of an iron meteorite,” a
term introduced by Berwerth in 1909. Also known as “thumb prints,” Buchwald
goes on to state:
“Regmaglypts are thumb-like pits carved into the surfaces by turbulent
supersonic airstreams during
Hi all -
...approximately 40,000-60,000 t of extraterrestrial material
lands on Earth every year, the majority of which is in the form of tiny
dust grains usually less than 1 mm (1/25 in) in size; importantly, most
of this dust is believed to originate from comets...
So how massive was the
It hasn't had much impact. Assuming that the Earth has accumulated 50,000
tons per year, every year for 4.5 billion years, the accumulated mass is
less than a billionth of the Earth's total mass.
BTW, I don't think we've lost much oxygen to outgassing. Oxygen is highly
reactive, and its
Hello,
A lot of NEW specimens added and on Sale! Auctions Ending Tomorrow. The cutting
and distribution of many of my collection pieces underway...
ALSO- Don't forget to join my sales group for specials that will not be
anywhere else!
Click and send This email to join:
Hello,
A lot of NEW specimens added and on Sale! Auctions Ending Tomorrow.
The cutting and distribution of many of my collection pieces
underway...
ALSO- Don't forget to join my sales group for specials that will not
be anywhere else!
Click and send This email to join:
Hello All,
I'm in need of slices of at least a few iron meteorites - Canyon
Diablo, Campo del Cielo, Gibeon, Chinga, Dronino, Seymchan,
Sikhote-Alin - pretty much any iron that's available.
I'm looking for specimens out of which a 2-inch circle can be cut (we
can do that ourselves but the slice
33 matches
Mail list logo
